M83 is located about 15 million light-years away from Earth and is forming stars at a high rate. Using 14 years of Chandra ...

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For the first time, scientists captured a supernova just hours after it began. This rare moment revealed the true shape of the explosion, something never seen before. The data could finally explain ...

The aftermath of a supernova, a stellar explosion, is usually a slowly fading cloud of hot gas. So when astronomers pointed ...